<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        /* div, span{
            border: 1px red solid;
            width: 500px;
            height: 200px;
            border-width: 20px;
            border-color: blue;
            border-style: double;
            border-left-color: red;
        } */
        /* span {
            display:block;
        } */

        div {
            border: 1px red solid;
            width: 500px;
            height: 200px;
            padding: 20px;
            margin: 50px 100px 150px 200px;
            /* margin-top: 50px; */
            /* margin-left: 50px; */
        }
        /* html {
            padding-left: 50px;
        } */
    </style>
</head>
<body>
    <div>你好</div>
    <div>你好2</div>
    <!-- <span>span</span>
    <span>span2</span> -->
</body>
</html>